f 



1 02 



Fig. 15. The rhizome of a full-g^o^vn plaiit with the leaves and the bases of 



two flowering stems, nat. size. 



Ranuncuhts reciirvatus. 



Fig. 16. A germinating phintlet, 3 X ^^^*- size. 



DelpJiinijini niidicanle. 



Fig. 17. A germinating plantlet, side view, nat. size. 



iS. The same, front view, nat. size. 



19. The blades of the two cotyledons, 17^ X ^^t* size, 



20 The blade of a cotyledon from the specimen Fig. 18, \y^ X ^^^^- size. 



21. The blades of three cotyledons, 1 2^ X '^^^*^' size. 



L 



PLATE VII. 



Delphinium nudicanle (continued) . 



Fig. 22. An older specimen with the cotyledons still persisting, nat. size. 



Sari' dee nia pw-ptirea. 



Fig. 23. A germinating plantlet with the testa of the seed still attached, 6 X 



nat. size. 



24. The same, a little older with the cotyledons free and spread out, 6 



X nat. size. 



25. The same with the first pitcher-shaped leaf developed, 6 X ^^^^* size. 

 26- A young plant with the cotyledons still attached, and with several 



pitcher shaped leaves developed, 3 X "a^- size. 

 27. The first developed pitcher-shaped leaf, 6 X ^^^t. size. 



Sanzuiiiaj'ia Canadensis . 



28. A germinating plantlet, nat. size. 



29. One of the cotyledons, 5 X ^^^t* size. 



30. A germinating plantlet with two leaves developed next the coty- 



ledons, nat. size. 



PLATE VIIL 



' ^ngidnaria Canadensis (continued). 



Fig. 31 and 32. Two germinating plantlets with the cotyledons dropped, 



nat. size. 



33 ^^^ 34- Two plants, one year old, showing the scale-like leaves 



preceding the final one and the tuber, formed by the hypocotyl, 

 nat. size. 



35. The rhizome of a full-grown plant, nat. size. 



36. A lateral shoot from an old rhizome, nat. size. 



Viola palmata, var, ciicitllata. 



m 



I*'^g- 37- A germinating plantlet, 2 X ^^t- size. 



38. The rhizome of a young plant, with the cotyledons dropped, 2 X 



nat. size. 



39. The rhizome of an older, flowering plant, 2 X nat. size. 



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